True, they are! There are several rows of teeth that regenerate over the course of the shark's lifetime.
jawbone
Sharks have 5 or more rows of teeth. Humans only have 20 baby teeth and 32 adult teeth. Sharks can re-grow teeth. Humans only get 2 sets (milk teeth and permanent teeth). Sharks have serrated edges on their teeth. Shark teeth are not attached to the jaw. Humans bite and chew with their teeth. Sharks use their teeth to rip their prey apart.
Sharks loss there teeth bc when they bite flesh from there prey makes them get loss or fall of. Wich are then immediately replaced with another tooth.
Not all Sharks can. Those who can have cutting, serrated teeth and powerful jaws. Together with a shake of the head, this Cuts flesh easily.
Sharks have sharp teeth because they need to rip flesh(their teeth break off week by week)
how sharp is the hammerhaed sharks teeth
tiger sharks teeth are about 3inches long
yes white sharks have cutting edges and blue sharks have curved teeth
Yes, all flesh-eating sharks are cannibalistic.
Sharks do lack real bones except for in there jaw. Without jaw bones sharks would not be able to survive because they would not be able to eat.
ALL SHARKS HAVE WHITE TEETH, WHEN THE TEETH FALL OUT AND GET OLDER THEY TURN BLACK